go ./all.bash fails at the end

ok      cmd/internal/obj/arm64  0.062s
ok      cmd/internal/obj/riscv  0.113s
ok      cmd/internal/obj/x86    5.894s
ok      cmd/internal/objabi     0.020s
ok      cmd/internal/src        0.019s
ok      cmd/internal/test2json  0.125s
ok      cmd/link        15.426s
ok      cmd/link/internal/ld    6.416s
ok      cmd/link/internal/sym   0.015s
ok      cmd/nm  8.329s
ok      cmd/objdump     5.196s
ok      cmd/pack        2.906s
ok      cmd/trace       0.691s
ok      cmd/vet 16.479s
FAIL
go tool dist: Failed: exit status 1
cneira@navarra:~/goroot/src$